Ukrainian forces are increasing the intensity of long-range drone strikes deep into Russia ahead of Friday's planned meeting between Presidents Trump and Putin.

Dr. Ronald Suny, distinguished University of Michigan historian and a preeminent expert on Soviet and post-Soviet history, spoke with Hilary Golston for The Interview about the hidden dynamics shaping the Alaska summit and what could happen next.

President Trump has been pushing to broker an end to the war in Ukraine since he took office. But it hasn't been quick or easy.